
var _ = require('lodash');


var fp = require('lodash/fp');

const{ Maybe,Container} = require('./support');

let xs = Container.of(['do', 'ray', 'me', 'fa', 'so', 'la', 'ti', 'do']);

let ex2=()=>{
  return xs.map(x=>fp.first(x))
}

console.log(ex2());

